The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

the official Rust and C implementations of the BLAKE3 cryptographic hash function

An introduction to ARM64 assembly on Apple Silicon Macs

Safe, fast, small crypto using Rust

A cross-platform x86 assembler with an Intel-like syntax

bootOS is a monolithic operating system in 512 bytes of x86 machine code.

flat assembler 1 - reconstructed source history

BIOS for Intel 8088 based computers

Historical source code for Infocom's Z-machine interpreters

Original source code for Impulse Tracker, a music tracker for DOS

Ray Tracer in 483 bytes (x86 boot sector)

Assembly super-optimization via constraint solving

Pthreads-free Linux threading demo

Cray PVP Simulator

Generate a QR code from scratch with only ARM assembly.

flat assembler 2

Arm® Syntax highlighting for VSCode

Highly optimized curve25519 assembler for AArch64